The phrase "a black mark for" is correct and usable in written English.
It is typically used to indicate a negative consequence or a failure associated with someone or something.
Example: "The team's poor performance this season is a black mark for the coach's reputation."
Alternatives: "a stain on" or "a blemish on".
"It's a black mark for the industry".
And if he did a bad job it would be a black mark for everyone".
If they don't, it should be a black mark for officials in line for a promotion.
This week's forecast for New York City is a black mark for the National Weather Service and, unfortunately, could diminish public trust in weather forecasting.
With the case looking shakier by the day, there seemed to be broad agreement that it would come to be seen as a black mark for District Attorney Cyrus R. Vance Jr.
It is making a yes vote a black mark for a lawmaker on Heritage's conservative scorecard, urging its members to call their representatives and senators, "pretty much everything we can," said Dan Holler, a spokesman for Heritage Action.
They have to be more attacking". Permaul has gone at over four an over today - he just hasn't been able to stem the flow of runs, a real black mark for a front-line spinner.
In a Moscow court, he testified that Orlov's claims were a "big black mark for the Kadyrov family — I have four daughters and three sons, and they should all get married".
"Jack told me that it was the most frightening time of his career," Professor Beverly said, "because, as he said, 'It didn't take a genius to know that this was going to be a major black mark for television.' He wondered whether he would ever work in television again".
And while Britain is still among the world's top 30 producers, it's now seen as one of the more expensive places to operate, given a black mark by the industry for three unexpected tax hikes in the past 15 years.
What a black mark on the Pentagon for not cleaning up the situation more than a decade ago, when these problems first came to light.
